.wrapper {
    width: 100%;
    min-height: 100%;
}
.wrapper_content {
    width: 100%;
    height: 640px;
}
.room_wrapper {
    height: 100%;
}
.room_wrapper_left, 
.room_wrapper_right {
    height: 100%;
}
.room_left_header,
.room_right_header {
    height: 48px;
    line-height: 48px;
    background-color: rgba(76, 76, 76, 1);
    color: #fff;
}
.room_left_header {
    padding: 0 10px;
}
.room_left_header_input {
    width: 220px;
    background-color: rgba(99, 99, 99, 1);
    color: #fff;
}
.room_left_header_input:hover {
    background-color: rgba(99, 99, 99, 1);
}
.room_left_header_input input {
    color: rgba(255, 255, 255, .7);
}
.room_left_header_input:focus-within {
    width: 280px;
}
.room_right_header {
    text-align: center;
}
.room_right_header_name,
.room_right_header_set {
    display: inline-block;
    height: 48px;
}
.room_right_header_name {

}
.room_right_header_set {
    float: right;
    padding: 0 8px;
    font-size: 22px;
    cursor: pointer;
}

.room_left,
.room_right,
.room_left_list {
    background-color: rgba(255, 255, 255, 1);
}
.room_left_list{ 
    border-right: 1px solid rgba(33, 33, 33, 1);
}
.room_right_main {
    position: relative;
    height: 100%;
    min-height: 400px;
}
.room_right_footer {
    position: relative;
    height: 180px;
    border-top: 1px solid rgba(33, 33, 33, 1);
    padding: 0;
    padding-bottom: 60px;
    background-color: #fff;
}
.room_item {
    width: 100%;
}
.room_none_show {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(50%, 50%);
    user-select: none;
}

@media screen and (max-width: 1280px) {
    .wrapper {
        width: 1280px;
    }
}